An ecosystem is a biological relationship between different organisms and their environment. For example, a simple ecosystem might comprise plants growing in the soil, insects feading on the plants, birds feeding on the insects and earthworms feeding on the remains of the dead birds and returning the nutrients to the soil.

Ecosystems are often studied by focusing on three areas:

A photograph of an adult damselfly eating an aphid

A photograph of an adult damselfly eating an aphid. Ecosystems focus on these types of inter-species interaction.

Related terms

Related groups of terms

See other words beginning with E

Browse terms by A-Z

Back to Glossary

If you have found this glossary useful please consider supporting the Amateur Entomologists' Society by becoming a member or making a donation.